Water and Land Pollution

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Across
  1. 2. convert (waste) into reusable material.
  2. 4. the action or state of making or being made impure by polluting
  3. 7. an escape of oil into the sea or other body of water.
  4. 8. a synthetic material made from a wide range of organic polymers
  5. 10. a substance used for destroying insects or other organisms harmful to cultivated plants or to animals.
  6. 13. risky; dangerous.
  7. 15. a material, substance, or by-product that is eliminated or discarded
  8. 17. use again or more than once.
  9. 18. a process by which salt is removed from water
Down
  1. 1. a chemical or natural substance added to soil or land to increase its produce yield.
  2. 3. a substance that makes something impure, especially water or the atmosphere.
  3. 5. the action or state of making or being made impure by polluting or poisoning.
  4. 6. Caused when polluted air mixes with cloud moisture.
  5. 9. very harmful or unpleasant
  6. 11. an acute diarrheal illness caused by infection of the intestine by polluted water
  7. 12. waste water and excrement conveyed in sewers.
  8. 14. make smaller or less in amount, degree, or size.
  9. 16. the upper layer of earth in which plants grow